: M 2272 (OTTOKEMI) 44-Methoxyphenylmagnesium bromide solution 0.5 M in THF Cas 13139-86-1 - used In the denickelation of porphyrins and to replace the metal center with magnesium. To synthesize a tubulin polymerization inhibitor, 2-Amino-3,4,5-trimethoxybenzophenone.